%0 Journal Article
%A G. V. Chudnovskii
%A D. V. Chudnovskii
%T Regular and descending incomplete ultrafilters
%J Doklady Akademii Nauk
%D 1971
%P 779-782
%V 198
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_198_4_a10/
%G ru
%F DAN_1971_198_4_a10